TY - RPRT TI - Measurement assurance program for the spectral density of relative intensity noise of optical fiber sources near 1550 nm AU - Obarski, Gregory E AU - Splett, Jolene D PY - 2000 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 250-57 DO - 10.6028/NIST.SP.250-57 ER -